#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define rep(i, a, b) for (int i = (a); i <= (b); i++)
#define per(i, a, b) for (int i = (a); i >= (b); i--)
#define endl '\n'
const int N = 2e6 + 5;

int n, m;
int a[N];

int main() {
  ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  cin >> m;
  int sum = 0, ans = 0, l = 0, r = 0;
  while (r < m) {
    sum -= l++;
    while (sum + r + 1 <= m) sum += ++r;
    if (sum == m && l < r) cout << l << ' ' << r << endl;
  }
  return 0;
}